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Redis Gears Fails After Upgrade Due to Missing Dependencies
Redis Gears relies on external runtimes (Python or JVM) and shared libraries that are not always bundled with the mod... -
Detecting and Preventing Unsupported Multi-Key Commands in Active-Active (CRDB)
Redis Software Active-Active (CRDB) uses conflict-free replicated data types (CRDTs) to enable multi-region writes wi... -
Understanding Redis Software Certificate Expiration Warnings and What to Do Next
Redis Software uses TLS certificates to secure key cluster components, including the Cluster Manager UI, REST API, da... -
Troubleshoot Unreachable Active-Active (CRDB) Participants
Active-Active (CRDB) databases in Redis Software rely on syncer processes over TLS connections to replicate data betw... -
Configuring Firewall for RHEL in Redis Installation and Upgrade
Redis Software clusters rely on consistent internal node-to-node communication (control-plane services, database serv... -
Redis Software Connection Limits: Understanding the 10,000 Default and How to Extend It
Redis Software uses a default limit of 10,000 concurrent client connections per shard process. This limit is controll... -
Replica HA Field Error (replica_ha vs slave_ha) in Redis Software REST API
Redis Software supports replica high availability for replica shards, but the JSON field name depends on the REST API... -
CRDB Shows 0 Memory After Creation Despite Specified Size
Redis Enterprise Active-Active (CRDB) databases require memory to be defined per participating instance, and incorrec... -
VM Connection Limits (ACRE vs AMR) for Health Check Services
Redis Software deployments running on ACRE (Azure Cache for Redis Enterprise) and AMR (Azure Managed Redis) differ in... -
Vacate Shards and Return a Node After a Disk Failure in Redis Software
A disk failure on a Redis Software node typically shows up as I/O errors and/or persistence (AOF) write/fsync failure... -
Understanding and Troubleshooting Flash Shards (Auto Tiering) in Redis Enterprise Software
Flash shards (Auto Tiering) in Redis Software allow databases to use both RAM and flash storage (such as SSDs or NVMe... -
SAML SSO Troubleshooting Guide for Redis Software
Redis Software supports SAML 2.0 single-sign-on for authenticating users into the Redis Software UI. When SAML authen... -
Massive Key Deletion in Redis Without Impacting Performance
Deleting a large number of keys in Redis can cause latency spikes or blocked clients if handled with synchronous comm... -
Redis UI Unreachable After Disabling IPv6 Capabilities on Node OS
After IPv6 capabilities are disabled at the operating system level, the Redis Enterprise Envoy service may fail to st... -
Troubleshooting Customer‑Managed Certificates in Redis Software 8
Use this guide to diagnose internode encryption (INE) certificate issues such as cluster communication errors, TLS ha... -
Troubleshooting Upgrade Failures and Known Limitations in Redis Software 8.0.2
Redis Software 8.0.2 introduces new upgrade behaviors, module-handling rules, and Kubernetes operator requirements th... -
Troubleshooting Query Failures After Upgrading to Redis Software 8
After upgrading a database to Redis Software 8, applications that use Search, JSON, or Redis Search may see new error... -
FT.DROPINDEX DD didn’t delete all documents in Redis Software
In Redis Software deployments, the command FT.DROPINDEX <index> DD removes both the index and its indexed documents. ... -
Resize a CRDB Database
Resizing a CRDB (Active-Active) database in Redis Software changes the global configuration across all participating ... -
Troubleshooting the HELLO Command in Redis Software
The HELLO command is used for RESP3 protocol negotiation in Redis Software. Support depends on your Redis version and... -
Recovering a Redis Database After FLUSHDB Using AOF
This article provides a comprehensive guide for recovering a Redis database after an accidental FLUSHDB command by ed... -
Resolving the 'N/A' Issue on the Metrics UI Page
In Redis Software, the Metrics UI may occasionally display 'N/A' or blank values instead of expected performance metr... -
Troubleshooting TLS Connection Failures Caused by Certificate Expiration
TLS connection failures in Redis Software are often caused by expired or partially updated certificates. These can le... -
Diagnosing and Resolving Endpoint Flapping in Redis Software
Endpoint flapping—where Redis database endpoints rapidly alternate between available and unavailable states—typically... -
Incomplete node maintenance causing split-brain states
Split-brain conditions in Redis can result from improperly executed or incomplete node maintenance. This article expl... -
Hot Key Imbalance Overloading a Shard
When a small number of "hot keys" receive a disproportionate amount of traffic in Redis, they can overload the shards... -
Troubleshooting Distributed System Issues in Redis Software
Redis Software clusters operating in distributed environments can experience issues related to performance, connectiv... -
Troubleshooting TLS Failures
TLS ensures encrypted communication between Redis clients and servers. In Redis Software, TLS errors commonly result... -
Tools for Identifying Failures in Clusters
Identifying failures in a Redis cluster requires a combination of monitoring, inspection, and logging tools. This art...